Microbial Recombination and Gene Transfer
In lysogeny,

a bacteriophage genome is integrated into the bacterial genome
a bacteriophage transfers bacterial DNA
DNA-degrading enzymes in the extracellular medium would stop the process
bacteria take up double stranded DNA from the environment

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Microbial Recombination and Gene Transfer
Which of the following statement describes plasmids?

None of these
Small, circular DNA molecules that can exist independently of chromosomes commonly found in bacteria
A complex membrane structure that covers the chromosome of bacteria
Another name for a protoplast

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Microbial Recombination and Gene Transfer
The main difference between a self-transmissible and a mobilizable plasmid is that the self-transmissible plasmid

transfers antibiotic resistance genes
usually has a transposon inserted into it
transfers both strands of the plasmid DNA
carries genes encoding the mating apparatus

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